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conn.go
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conn.go
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package ssr
import (
"net"
"github.com/josexy/mini-ss/ss/stream"
"github.com/josexy/mini-ss/ssr/obfs"
"github.com/josexy/mini-ss/ssr/protocol"
"github.com/josexy/mini-ss/transport"
)
type ShadowsocksR struct {
Cipher *SSRClientStreamCipher
SSTcp transport.TcpConnBound
SSUdp transport.UdpConnBound
Obfs obfs.Obfs
Protocol protocol.Protocol
}
func (ssr *ShadowsocksR) StreamConn(c net.Conn) net.Conn {
c = ssr.Obfs.StreamConn(c)
c = ssr.SSTcp.TcpConn(c)
var iv []byte
var err error
// ssr only support stream cipher, can not aead cipher
if streamConn, ok := c.(*stream.StreamConn); ok {
iv, err = streamConn.ObtainWriteIV()
}
if err != nil {
return nil
}
c = ssr.Protocol.StreamConn(c, iv)
return c
}
// PacketConn the UDP relay in shadowsocksr only support stream cipher
// and can not use Obfs
func (ssr *ShadowsocksR) PacketConn(c net.PacketConn) net.PacketConn {
c = ssr.SSUdp.UdpConn(c)
c = ssr.Protocol.PacketConn(c)
return c
}